.list-group-item.heading {
    color: #333;
    background-color: #f5f5f5;
    border-color: #ddd;
}

#questionMark {
    cursor: pointer;
    position: relative;
    top: 5px;
}

.list-group-item a {
    color: #37474f;
    text-decoration: none;
}

.list-group li {
    border: 1px solid #ddd;
    margin-bottom: -1px;
}

#tips {
    display: none;
    width: 82px;
    height: 80px;
    position: absolute;
    top: 590px;
    left: 530px;
    background: url("../images/jkf/tips.svg") no-repeat;
}

#tips span {
    display: block;
    position: absolute;
    top: 10px;
    left: 9px;
    color: black;
}